CPaaS LabFree University

T9 · T9-R26 · Contact center and AI

AI voice agents, only the sentences that opened

An agent, on LiveKit's page, is a program that joins a room. A SIP participant is how a phone caller becomes a participant. That is the cleanest definition this session opened. The other vendors name bots, virtual agents, or voice AI. Their prompt formats and model prices were not opened.

Counts on this page

4boxes
6opened sources
3confirm rows
5study lines

Opened sources

Confirm rows, no URL

Learn it in 5 minutes

  • LiveKit's Agents introduction says the framework lets you add a Python or Node.js program to a LiveKit room as a realtime participant.
  • It says LiveKit Cloud includes managed deployment and built-in observability with transcripts and traces.
  • LiveKit's telephony page says trunks and dispatch rules extend the room, participant, and track model, and that a SIP participant represents a caller.
  • Vonage's Voice page says you can create IVRs and voice bots, with speech to text and WebSockets.
  • Twilio's voice navigation names AI agents, Conversation Relay, and Virtual Agent. Telnyx's docs navigation names Agents and LiveKit on Telnyx, marked Beta. Plivo's docs home names Voice AI and SIP trunking toward LiveKit.

Visual

AI voice agents, only the sentences that opened Agents. Teaching sketch. Confirm a live system. Room SIP leg Agent Trace Names come from pages opened in 2026-10. A missing name stays confirm.

Count the boxes: 4. Each label is a name from a page or a study label marked on the drawing.

Flow

AI voice agents, only the sentences that opened Caller SIP Called session setup session setup RTP, not required to hairpin Teaching sketch from RFC 3261 and RFC 3550. Not a packet capture.

What is going on

An agent, on LiveKit's page, is a program that joins a room. A SIP participant is how a phone caller becomes a participant. That is the cleanest definition this session opened. The other vendors name bots, virtual agents, or voice AI. Their prompt formats and model prices were not opened.

Observability, on the LiveKit sentence, means transcripts and traces in LiveKit Cloud. It does not mean a universal MOS score. ITU-T G.114 was not opened in this session, so a delay budget stays confirm.

Worked example

Phone caller to SIP trunk to LiveKit room to a Python participant. Cite the telephony page and the agents page. For Twilio, stop at the navigation names Conversation Relay and Virtual Agent unless you open those guides.

Quiz

1. LiveKit describes an agent as a program that joins a room as a participant.

2. This lab opened a price for Telnyx voice agents.

Ecosystem

Sister pieces sit on the ecosystem page: the glossary, the mind map, the integration map, and the bridges.

  • SIP participant — LiveKit's term for a participant that represents a phone caller or callee.
  • Dispatch rule — A LiveKit telephony object, with trunks, that controls how calls are handled. The rule syntax was not copied.

Config. Write the room, the trunk, and the dispatch rule as three objects before you write a prompt.

Troubleshooting. A call that joins a room with no agent: the participant joined and the program did not. Check the agent process before you replace the trunk.

Bridge. Plivo's home page is the other direction: Plivo trunking toward a LiveKit agent. Cite the side you operate.

Mind map, sister technologies, and future hooks live on the ecosystem page.

Sources and go deeper

Opened 2026-10. A row marked confirm has no link, because that page was not verified.

sources.json Markdown